Keyboard Shortcuts

	Windows	Linux	OS X	Comments
Menu Bar	Alt			Toggle if Show Menu is unchecked.
Zoom In	+
Zoom Out	-
Zoom In	PgUp
Zoom Out	PgDn
Fine Zoom In	Alt +
Fine Zoom Out	Alt -
Larger Scale Chart	Ctrl+LeftArrowKey (or F7)		Cmd+LeftArrowKey
Smaller Scale Chart	Ctrl+RightArrowKey (or F8)		Cmd+RightArrowKey

Panning	Arrow keys
Panning Slowly	Alt + Arrow keys

Quit OCPN	Ctrl+Q		Cmd+Q
Preferences			Cmd+,
Full Screen	F11		Ctrl+Cmd-F

Auto Follow (on/off)	Ctrl+A (or F2)		Cmd+A

The List sorted by Keys

Function Keys

F2 toggle Auto Follow on / off
F3 toggle ENC Text.
F4 activates the chart measure pencil. Esc Stops it
F5 toggle Daylight, Dusk & Night mode, if built into the Chart ( “C”, Ctrl+C, Ctrl+G)
F6 General Dimming, in steps, of the entire Screen. (except Mac OS X ) OpenGL must be off.
F7 Larger Scale Raster Chart (Scale In) or Ctrl + Left-Arrow
F8 Smaller Scale Raster Chart (Scale Out) or Ctrl + Right-Arrow
F9 Chart Quilting . Toggle on/off
F11 toggle Full Screen view.
F12 toggle Chart Outlines
SHIFT + F6 reverses the dimming.

Hot Keys or Shortcut Keys

C change color scheme -new similar to Ctrl+C, Ctrl+G and F5
D open/close the XX-charts zoom/scale weighting or detail slider.
L toggle ENC Lights on/off. “Users Standard” display category.
O toggle Chart Outlines. or F12
T toggle ENC Text or F3
S toggle ENC soundings.
U toggle Quality of Data for Vector Charts.
V toggle All navobjects except Active route & track, when enabled in View menu.
A toggle bottom features, useful when anchoring. “Users Standard” Anchorage area & Anchor berth display category.
D toggle Detail Slider (ENC, CM93 & Raster). Hide only works, if the slider lost focus.
M toggle Measure Tool F4
P toggle Pause of oesenc charts test
Q toggle Chart Quilting
+ Zoom In
- Zoom Out

Alt Keys

Alt + “.” Toggles Menu Bar on/off of Show menu is not checked.
Alt + Arrow Keys. Moves the chart view in very small steps.
Alt + “+“ for fine scale zooming in.
Alt + ”-“ for fine scale zooming out.

Control Keys

Ctrl + scroll wheel, zooming in/out in small steps
Ctrl + Left-Arrow-Key Larger Scale Chart (Scale In) (F7)
Ctrl + Right-Arrow-Key Smaller Scale Chart (Scale Out) (F8)
Ctrl + A Auto Follow
Ctrl + B toggle the Chart Bar.
Ctrl + C Change color scheme - new similar to Ctrl+G, “C” and (F5)
Ctrl + G* cycles through green, red and normal screen.
Ctrl + I toggle small dialog, containing GPS status & Course/Up North Up Icons, on/off.
Ctrl + M Drops Marker at current cursor position.
Ctrl + N Activate next waypoint in an active route.
Ctrl + O Drops Marker at current ownship position. (or Spacebar)
Ctrl + Q Quits OpenCPN
Ctrl + R Starts the Routing tool. Esc ends creating route.
Ctrl + Y Redo Mark/waypoint create, move or delete.
Ctrl + Z Undo Mark/waypoint create, move or delete.
Ctrl + , the option Window is displayed.

Numerical Keys

Keyboard number keys 0,1,2,…9 Change Chart Group - Changes view between the first 10 chart groups, if available.

Other Keys and Clicks

Keyboard Arrow Keys. Moves the chart view.
Left clicking on a chart, centers the chart on that point.
Double clicking a vector chart, displays all info for that point (exception below).
When the cursor becomes a green arrow, clicking pans in the direction od the arrow.
Double clicking on an AIS target, displays the target query dialog.
Double clicking on a mark or waypoint, displays the Mark Properties Dialog
Double clicking on a route or track, displays the Route/Track Properties Dialog
Right clicking on any chart, access a context sensitive menu.
Esc ends the process of route creation or stops the measure pencil.
Right Mouse click on chart View center lat & long
Left Mouse click on chart moves to center of view (Touchscreen interface becomes a “Hand”)

Scroll Wheel

Scroll Wheel, zooming in/out
Alt + scroll wheel, zooming in/out in small steps.

Cursor

When the cursor becomes a green arrow, clicking pans in the direction of the arrow.

—-

* Ctrl-G Works on some Windows systems (depending on graphic driver)

* MAC Cmd+A overrides standard “Select all text in current text box”, might possibly be able to change to Ctrl+Cmd+A in next version.

* Spacebar Drops Marker at current GPS position. NOTE: Enable by manual edit of the opencpn.ini file.

[Settings] …"SpaceDropMark=1", to activate the feature. 
[Settings] …"SpaceDropMark=0", to deactivates the feature.

* [ and ] keys for Chart Rotation when enabled. NOTE: Enable by manual edit of the opencpn.ini file.

[Settings] EnableRotateKeys=1

NOTE: This list may not be completely detailed and correct for now, but it does try to establish all the shortcuts available.

We may need to add some things to Caesar's Functional and tabular list to make it more complete. Please contribute ideas and corrections/improvements!